Cylindrical penning traps and self-shielding superconducting solenoids for high precision experiments

W. Jhe, D. Phillips, L. Haarsma, J. Tan, G. Gabrielse

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The antiproton and proton inertial masses have been measured to be the same to a fractional accuracy of 4 x 10-8by our TRAP collaboration at CERN. Two key experimental advances were employed which have a wider applicability for mass spectroscopy. A high-precision cylindrical trap with open-endcap electrodes allows free access to the trap center for particle loading, and a self-shielding superconducting solenoids system cancels fluctuations in the ambient magnetic fields.

Original languageEnglish (US)
Pages (from-to)264-267
Number of pages4
JournalPhysica Scripta
Volume46
Issue number3
DOIs
StatePublished - Sep 1 1992

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Mathematical Physics
  • Condensed Matter Physics

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